Hey, since you're aggregating, I just noticed that Tyler Muth (an APEX dude at Oracle) has a couple of recent posts re: Exadata:http://tylermuth.wordpress.com/2010/06/08/exadata-hybrid-columnar-compression/http://tylermuth.wordpress.com/2010/06/08/physical-io-saved-with-exadata-hybrid-columnar-compression/http://tylermuth.wordpress.com/2010/06/15/exadata-intelligent-storage/http://tylermuth.wordpress.com/2010/06/18/exadata-cell-offload-processing/